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Finding the Fourth Proportional to 1,036,554,061.82, 1,552,363,040.90 and 661,901,468.13

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Solution

The fourth proportional to 1,036,554,061.82, 1,552,363,040.90 and 661,901,468.13 is: 991,276,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,554,061.82 : 1,552,363,040.90 = 661,901,468.13 : x
  2. Step 2: Convert to fraction form
    1,036,554,061.82/1,552,363,040.90 = 661,901,468.13/x
  3. Step 3: Cross multiply
    1,036,554,061.82x = 1,552,363,040.90 × 661,901,468.13
  4. Step 4: Simplify right side
    1,036,554,061.82x = 1,027,511,375,842,461,312
  5. Step 5: Solve for x
    x = 1,027,511,375,842,461,312/1,036,554,061.82
  6. Step 6: Final answer
    x = 991,276,204.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.